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A new preparation of furo-2,3b furans, and conformational studies by 2D NMR.

✍ Scribed by M. Jalali; G. Boussac; J.-Y. Lallemand

Publisher
Elsevier Science
Year
1983
Tongue
French
Weight
194 KB
Volume
24
Category
Article
ISSN
0040-4039

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✦ Synopsis

Perhydro furo-2,3-b furan derivatives have been prepared by iodocyclisation of unsaturated lactols. Structure and conformation have been studied by high resolution "COSY" 20 NMR.

πŸ“œ SIMILAR VOLUMES

A new route to perhydro- and tetrahydro-
A new route to perhydro- and tetrahydro- furo-2,3b furans via radical cyclisation
✍ M. Pezechk; A.P. Brunetiere; J.Y. Lallemand πŸ“‚ Article πŸ“… 1986 πŸ› Elsevier Science 🌐 French βš– 162 KB

Perhydrofuro-2,3b furans have been prepared in high yield by radical cyclisation of unsaturated bromo acetals. Their transformation into tetrahydro derivatives is described along with a radical annelation to 2,3-dihydrofurans by tributyltin iodoacetate.